//
// Created by lenovo on 2021/12/13.
//
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "stdio.h"
int Experiment8_1(),Experiment8_2(),Experiment8_3();
int main(){
    Experiment8_1();
//    Experiment8_2();
//    Experiment8_3();


    system("pause");
}
